4 length of propodi, each terminating in strong, curved corneous unguis, flexor surface with about ten corneous, distally curved, spinules arranged in three or four rows; propodi increasing in length from third to fifth, each with three or four spinules on ventrodistal margin and irregular two rows of spinules on ventral surface in third and fourth, with double row of spinules laterally and single row of sparse spinules mesially in fifth; carpi 0.

Can easily be recognized by the characteristic pattern of lighter, nontranslucent specks oriented in spiral lines on a darker, semi-translucent, corneous background, as well as alternating zones of lighter and darker close-set axial riblets on the upper side of the shell with only microscopic spiral striation on the base.

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